摘要:The current rapid urban development has led to increasingly severe environmental pollution, and it is urgent to build the eco-city, which is the best choice for human development to live in harmony with nature and a long-term strategic choice for sus- tainable urban development. This article first screensout the evaluation indicators of urban sustainable de- velopment, and then uses the weighting method and principal component analysis method to evaluate the sustainable development of Daqing City. Taking thedata of Daqing City from 2007 to 2016 as a sample, the research is carried out from three aspects: econ- omy and environment, society and economy, and en- vironment and society to study the eco-city sustain- able development. The research results show that in the period 2007-2016. the sustainable development capacity of the economy and environment, society and economy, environment and society and the sus- tainable development capacity of the overall system of Daqing City are generally consistent with eachother. The entire sustainable development process can be divided into four stages, namely the sustaina- ble development period from 2007 to 2008, the sus- tainable recession period from 2008 to 2010, the sus- tainable recovery period from 2010 to 2011, and the sustainable stable period from 2011 to 2016. Based on the data research of Daqing City, this article gives many constructive opinions on the sustainable devel- opment of Daqing City, and provides suggestions for the long-term development of Daging City.